<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .wrapper{
            display: grid; 
    grid-template-columns: 100px 100px 100px; 
    grid-template-rows: 100px 100px 100px; 
 
        }
        .son{
            border-radius:15px;
            border-color: black;
            background-color: aqua;
            text-align: center;
            line-height: 100px;
        }
    </style>
</head>

<body>
    <div class="wrapper">
        <div class="son">One</div>
        <div class="son">Two</div>
        <div class="son">Three</div>
        <div class="son">Four</div>
        <div class="son">Five</div>
    </div>
</body>

</html>